lkml.org 
[lkml]   [2007]   [Oct]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] hiddev: Add 32bit ioctl compatibilty
On Fri, Oct 12, 2007 at 04:51:00PM -0700, Philip Langdale wrote:
> The hiddev driver currently lacks 32bit ioctl compatibility, so
> if you're running with a 64bit kernel and 32bit userspace, it won't
> work.
>
> I'm pretty sure that the only thing missing is a compat_ioctl
> implementation as all structs have fixed size fields.
>
> +static long hiddev_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
> +{
> + struct inode *inode = file->f_path.dentry->d_inode;
> + return hiddev_ioctl(inode, file, cmd, compat_ptr(arg));
> +}

Just how many instances of that sucker do we need? It's nothing but

struct inode *inode = file->f_path.dentry->d_inode;
return file->f_op->ioctl(inode, file, cmd, compat_ptr(arg));
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-10-13 02:05    [W:0.063 / U:0.408 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site